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venturi for co2 system

Discussion in 'Talk to Tom Barr' started by Green Thumb Aquatics, Jun 8, 2011.

  1. Green Thumb Aquatics

    Green Thumb Aquatics Lifetime Charter Member
    Lifetime Member

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    Hi Tom,

    I was speaking with you on another forum and you recomended a venturi for a pool filter style reactor, aquarium plants ext 5000, you said directed into the intake I believe.

    just became a lifetime member and figured I would ask you on here instead.. I dont quite understand the concept and how I would go about this and what effects it would have on my system as well as any possible problems that would go along with it..

    I looked at some of the links you provided on the msg you sent however was still not clear how I would go about this on this style reactor and what effect it would have, how it would work...

    this is my co2 system, in the future I will be using a different setup but as I spent all the cash I can spend on larger equipment purchases for a while,, so I am lookin to do some modifications to this to allow it to work better..

    [​IMG]

    also a question I have for you, I have been lookin at the large amount of flow on your 180 gallon from posts on plantedtank... I was wondering if you used this high of flow on tanks with alot of stem plants, and if you do doesnt this cause them to always grown at an angle,,

    should the water be moving in a circular manor or should the flow be just all over the place, maybe that would not cause the stem plants to all lean one way.. as this is somehting I have ran into issues with using high flow...

    this is my reactor.. you can see the air, N2 or CO2 trapped at top as you said this may be false gas..
    [​IMG]
     
  2. Tom Barr

    Tom Barr Founder
    Staff Member Administrator

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    The venturi would have an air line in the top of the reactor, often these have an air bleed hole somewhere. This hole has an air line attached and then is attached to the suction side of the Filter. This sucks any air out of the top of the reactor and chops it up via the impeller and into fine mist, which by passes the reactor.

    You can add a piece of rigid 3/16" air line tubing to pre set whatever depth you wish to have this sucking ofd the gas out inside the the reactor also.

    Up to you, you might have to DIY some to modify this.

    Read the In line venturi dual reactor, you might just make one and swap it out with this one you have above, they only cost maybe 10$ to make.
     

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